public class Vehicle {
    String brand;
    double price;
    String color;
    String power_type;
    public void run(){
        System.out.println("跑");

    }
    public void stop(){
        System.out.println("停");
    }
    public void whistle(){//鸣笛
        System.out.println("鸣笛");
    }
    public void endurance(){//续航
        System.out.println("续航");
    }
}
